WT – tees

WT420x216.5

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xybf = 404d = 442tf = 43.9tf = 43.9tw = 24.4tw = 24.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
442mm
Flange widthbf
404mm
Web thicknesstw
24.4mm
Flange thicknesstf
43.9mm
Distance k (design)kdes
64mm
Distance k (detailing)kdet
74.6mm

Mass and area

Mass per lengthm
217kg/m
Cross-sectional areaA
27,600mm²

Strong axis x–x

Moment of inertiaIx
44110⁶ mm⁴
Elastic section modulusSx
1,28010³ mm³
Plastic section modulusZx
2,29010³ mm³
Radius of gyrationrx
126mm

Weak axis y–y

Moment of inertiaIy
24210⁶ mm⁴
Elastic section modulusSy
1,20010³ mm³
Plastic section modulusZy
1,85010³ mm³
Radius of gyrationry
93.5mm

Torsion and stability

Torsional constantJ
13,50010³ mm⁴
Warping constantCw
68.710⁹ mm⁶
Polar radius (shear center)r̄o
175mm
Flexural constantH
0.802

Centers

Centroidȳ
99.8mm
Plastic neutral axisyp
34.3mm

Slenderness ratios

Flange slendernessbf/2tf
4.6
Wall slendernessD/t
18.1

Equivalents in other standards